Description
We stock many low cost "Passive IR" Presence / Motion sensors, and they're very popular for detecting motion from humanoids and pets 5 to 20 feet away. (They possibly work on zombies, not guaranteed, depends on how warm they are). The vast majority of PIR sensors use a chunky infrared receiver, a processing chip (sometimes integrated into the receiver) and a lens. However, this makes them kinda chunky. Also most have a digital, or maybe analog signal output - which makes them very simple.
The Adafruit STHS34PF80 IR Presence / Motion Sensor is like a deluxe version of the classic PIR sensor in that it has an IR sensing element that works up to 4 meters away and doesn't require a lens, which makes it easier to integrate into small enclosures. It also comes with a full I2C interface so you can get detailed information about how much IR was detected, and whether there's presence, movement, or temperature changes.
Nice sensor right? So we made it easy for you to get right into your next project. The surface-mount sensor is soldered onto a PCB and comes with a 3.3V regulator and level shifting so you can use it with a 3V or 5V logic microcontroller or single board computer without worry.
The custom made PCB is in the STEMMA QT form factor, making them easy to interface with. The STEMMA QT connectors on either side are compatible with the SparkFun Qwiic I2C connectors. This allows you to make solderless connections between your development board and the STHS34PF80 or to chain it with a wide range of other sensors and accessories using a compatible cable. QT Cable is not included, but we have a variety in the shop
Technical Details
STHS34PF80 Features:
- High-sensitivity infrared presence and motion detection sensor
- Reach up to 4 meters without lens for objects measuring 70 x 25 cm²
- Integrated silicon IR filter, SMD friendly
- Capable of detecting stationary objects
- Capable of distinguishing between stationary and moving objects
- 80° field of view
- Factory calibrated
- Low power
- Embedded smart algorithm for presence / motion detection
- Programmable ODRs from 0.25 Hz to 30 Hz
- One-shot mode
- IR sensitivity: 2000 LSB/°C
- RMS noise: 25 LSB rms
- Operating wavelength: 5 µm to 20 µm
- Local temperature sensor accuracy: ±0.3 °C
Product Dimensions: 25.5mm x 17.6mm x 4.7mm / 1.0" x 0.7" x 0.2"
Product Weight: 1.8g / 0.1oz
Shipping rates Australia wide and New Zealand
FAQ:
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